[AZ-Observing] Re: NGC206 Enhanced Hydrogen Comparison
- From: Chris Schur <comets133@xxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Tue, 12 Dec 2006 12:02:59 -0800 (PST)
Brian, to do that, I would need of course a red filter
that excludes hydrogen alpha. My current R filter
lets it all in. Custom Scientific makes such a
filter, they call a "continuum" filter. Alls it takes
is money... ;)
Chris
--- Brian Skiff <bas@xxxxxxxxxx> wrote:
> Have you tried getting a 'pure' H-alpha image?
> That is,
> make a composite that consists of the H-alpha image
> _minus_ the R image
> to take out the red continuum from stars.
>
> \Brian
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>
Take Care,
Chris
Astro: http://www.schursastrophotography.com
Robotics: http://www.schursastrophotography.com/roboticsmain.html
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